using System;
using System.Globalization;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
using System.Xml;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Microsoft.SharePoint.WebPartPages;
using Taloyhtio.CondoAutomation.Resources;
using Taloyhtio.CondoAutomation.Utils;
using Taloyhtio.CondoUpdate.Common;

namespace CondoUpdate.CentralizedNewsForOwners.SetListPermissions
{
    public class UpdaterImpl : ICondoUpdater
    {
        public event EventHandler<LogEventArgs> OnNotify;
        public void Update(object args)
        {
            string url = args as string;
            if (string.IsNullOrEmpty(url))
            {
                this.warn("Url is empty");
                return;
            }

            try
            {
                this.updateImpl(url);
            }
            catch(Exception x)
            {
                this.error("Error occured during updating of Condo '{0}':\n{1}\n{2}", url, x.Message, x.StackTrace);
            }
        }

        private void updateImpl(string url)
        {
            using (var site = new SPSite(url))
            {
                using (var web = site.OpenWeb())
                {
                    if (!web.Exists)
                    {
                        return;
                    }
                    var pmcWeb = site.RootWeb;

                    Thread.CurrentThread.CurrentUICulture = new CultureInfo((int) pmcWeb.Language);

                    string landlordsName = SecurityHelper.GetLandlordsGroupName(web);
                    string boardMembersName = SecurityHelper.GetBoardMembersGroupName(web);
                    string registeredLandlords = SecurityHelper.GetRegisteredLandlordsGroupName(web);
                    var alertsOwner = SecurityHelper.GetAlertsOwnerSafely(web);

                    var ownersReleasesList =
                        pmcWeb.GetListByTitleSafely(TaloyhtioPropertyManagersSite.List_LandlordsReleases_Title);
                    if (ownersReleasesList != null)
                    {
                        try
                        {
                            SecurityHelper.AssignGroupRoleToSecurableObject(pmcWeb, ownersReleasesList,
                                                                            SPRoleType.Reader,
                                                                            pmcWeb.SiteGroups[landlordsName]);
                        }
                        catch (Exception x)
                        {
                            this.error("Error occured: {0}", x.Message);
                        }

                        try
                        {
                            SecurityHelper.AssignGroupRoleToSecurableObject(pmcWeb, ownersReleasesList,
                                                                            SPRoleType.Reader,
                                                                            pmcWeb.SiteGroups[boardMembersName]);
                        }
                        catch (Exception x)
                        {
                            this.error("Error occured: {0}", x.Message);
                        }

                        try
                        {
                            SecurityHelper.AssignGroupRoleToSecurableObject(pmcWeb, ownersReleasesList,
                                                                            SPRoleType.Reader,
                                                                            pmcWeb.SiteGroups[registeredLandlords]);
                        }
                        catch (Exception x)
                        {
                            this.error("Error occured: {0}", x.Message);
                        }

                        if (alertsOwner != null)
                        {
                            SecurityHelper.AssignUserRoleToSecurableObject(pmcWeb, ownersReleasesList,
                                                                           SPRoleType.Administrator,
                                                                           alertsOwner);
                        }
                    }
                    else
                    {
                        LogUtils.LogWarning("List '{0}' not found on '{1}' site",
                                            TaloyhtioPropertyManagersSite.List_LandlordsReleases_Title, web.Url);
                    }
                }
            }
        }


        private void info(string msg, params object[] args)
        {
            this.notify(LogLevel.Info, msg, args);
        }

        private void warn(string msg, params object[] args)
        {
            this.notify(LogLevel.Warn, msg, args);
        }

        private void error(string msg, params object[] args)
        {
            this.notify(LogLevel.Error, msg, args);
        }

        private void notify(LogLevel level, string msg, params object[] args)
        {
            this.notify(level, string.Format(msg, args));
        }

        private void notify(LogLevel level, string msg)
        {
            if (this.OnNotify != null)
            {
                this.OnNotify(this, new LogEventArgs { LogLevel = level, Message = msg });
            }
        }
    }
}